[aarch64-port-dev ] Request for Approval: Backport patches to fix volatile access inconsistency

[Roland Westrelin]

> The three patches in question were made to jdk12 and apply without
> change to jdk11u (n.b. this is the second patch of that set of three).
>
> Roland and I have both reviewed the modified version of all three
> patched created by  Felix for jdk8u.
>
> I certainly don't see any problem with applying this unmodified patch to
> jdk11u. It corrects an important omission in patch 1 of 3.

I agree with Andrew: it the patches apply cleanly I see no reason not to
move forward with them.

Roland.